发明名称 Steel bar for concrete constructions.
摘要 <p>The invention refers to a deformed steel bar (32, 33, 40, 50) for concrete constructions. To improve the adhesion between the steel bar and the concrete the steel bar has a longitudinal sectional profile which varies alternately and smoothly with a peak (a1, 3A, 51) and a valley (a2, 52) in the axial direction thereof.</p>
申请公布号 EP0244758(A2) 申请公布日期 1987.11.11
申请号 EP19870106261 申请日期 1987.04.29
申请人 SUMITOMO ELECTRIC INDUSTRIES LIMITED;ELSPAN INTERNATIONAL LIMITED 发明人 YAMADA, MASATO;USUI, SUSUMU;ELLEN, PETER EDGINTON
分类号 E04C5/03;(IPC1-7):E04C5/03 主分类号 E04C5/03
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